Page 250 - 2018 Racecar Engineering Engine Parts and Accessories Catalog

CAMSHAFTS AND KITS

Chevrolet / GM LS Series Engines
Adv. Duration Valve Valve Lobe
Part No. Description RPM Range Duration @ .050" Lift Lash Center
Hydraulic Roller Camshafts
Comp Cams Xtreme Energy Hydraulic Roller Camshaft
1997-Up LS1/LS2/LS6
COM54-408-11 “RPM” Cam Only 800-5800 259°/265° 206°/212° .515"/.522" — 112°
COM54-412-11 “RPM” Cam Only 1200-6000 265°/271° 212°/218° .522"/.529" — 114°
COM54-414-11 “RPM” Cam Only 1300-6300 269°/273° 216°/220° .525"/.532" — 114°
COM54-418-11 “RPM” Cam Only 2000-6800 277°/281° 224°/228° .534"/.537" — 112°
Comp Cams Hydraulic Roller Camshaft “XFI™ RPM Hi-Lift” Three Bolt
COM54-424-11 Cam Only 1400-6700 265°/271° 212°/218° .558"/.563" — 115°
COM54-426-11 Cam Only 1800-6800 275°/277° 222°/224° .566"/.568" — 112°
COM54-428-11 Cam Only 2200-7200 281°/283° 228°/230° .571"/.573" — 112°
Comp Cams Hydraulic Roller Camshaft “XFI™ XE-R” Three Bolt
COM54-444-11 Cam Only 2000-7000 273°/279° 224°/230° .581"/.588" — 114°
COM54-446-11 Cam Only 2400-7200 281°/283° 232°/234° .595"/.598" — 112°
COM54-448-11 Cam Only 2800-7200 287°/289° 238°/240° .605"/.609" — 112°
Comp Cams Hydraulic Roller Camshafts - “Thumpr” Three Bolt
COM54-600-11 Cam Only 2000-6400 279°/295° 219°/233° .553"/.536" — 109°
COM54-601-11 Cam Only 2300-6600 283°/303° 227°/241° .563"/.546" — 109°
COM54-602-11 Cam Only 2600-6800 291°/311° 235°/249° .573"/.558" — 109°
Comp Cams Hydraulic Roller Camshafts LSR™ Cathedral Port - Small CID
(4.8L/5.3L) Or Max Torque, Three Bolt
COM54-455-11 Cam Only 1300-6500 265°/273° 215°/233° .604"/.610" — 112°
COM54-456-11 Cam Only 1500-6700 269°/277° 219°/227° .607"/.614" — 112°
COM54-457-11 Cam Only 1700-6800 273°/281° 223°/231° .610"/.617" — 112°
COM54-458-11 Cam Only 1900-7000 277°/285° 227°/235° .614"/.621" — 113°
Comp Cams Hydraulic Roller Camshafts LSR™ Cathedral Port - All Out Power
(5.7L/6.2L) Three Bolt
COM54-459-11 Cam Only 2000-7000 281°/289° 231°/239° .617"/.624" — 113°
COM54-460-11 Cam Only 2200-7200 285°/293° 235°/243° .621"/.624" — 113°
COM54-461-11 Cam Only 2400-7200 289°/297° 239°/247° .624"/.624" — 114°
COM54-453-11 Cam Only 1500-6700 269/285 219/235 .607"/.621" Hyd. 113°
COM54-469-11 Cam Only 2000-7000 281/297 231/247 .617"/.624" Hyd. 113°
COM54-470-11 Cam Only 2200-7200 285/301 235/251 .621"/.624" Hyd. 113°
Comp Cams Hydraulic Roller Camshafts LSR™ Cathedral Port - Large CID
(6.2L/7.4L) Three Bolt
COM54-463-11 Cam Only 2400-7000 297°/305° 247°/255° .624"/.624" — 114°
Comp Cams Hydraulic Roller Camshafts LSR™ Centrifugal Blower Three-Bolt
COM54-477-11 Cam Only 2200-7000 277°/293° 227°/243° .614"/.624" — 114°
COM54-478-11 Cam Only 2500-7200 285°/301° 235°/251° .621"/.624" — 115°
Comp Cams Hydraulic Roller Camshafts LSR™ Roots Blower Three-Bolt
COM54-467-11 Cam Only 2400-7000 289°/293° 239°/243° .624"/.624" — 114°
COM54-468-11 Cam Only 2700-7200 297°/301° 247°/251° .624"/.624" — 114°

Descrip- Adv. Duration Duration @ .050" Valve Lobe
Part No. tion RPM Range Intake Exhaust Intake Exhaust Valve Lift Intake Exhaust Lash Center
GM LS GEN V LT1/L83/L86, 2014-Up Engines With(VVT)Variable Valve Timing
And (AFM)Active Fuel Management Comp Cams XFITM AFM Hydraulic Roller
Camshaft
COM624-500-13 Cam Only 1400-6600 262°/275° - 274°/286° 210°/212° - 222°/224° .573"/.572" - .530"/.529" — 116°/115°
COM624-512-13 Cam Only 1600-6750 266°/278° - 278°/290° 214°/216° - 226°/228° .572"/.572" - .529"/.529" — 116°/116°
COM624-524-13 Cam Only 1800-6900 270°/282° - 282°/294° 218°/220° - 230°/232° .572"/.572" - .529"/.529" — 117°/116°
COM624-536-13 Cam Only 2000-7100 274°/286° - 286°/298° 222°/224° - 234°/236° .572"/.572" - .529"/.529" — 118°/118°
Note: Four different lobe profiles optimize intake and exhaust opening/closing events. Must use Comp Cams Phaser Limter Kit P/N COM5456 with camshaft.

2018 ENGINE BUILDER CATALOG 249